Year	Personnel
1985	402500
1989	400000
1990	408000
1991	408000
1992	408000
1993	408000
1994	320000
1995	531000
1996	529000
1997	428000
1998	428000
1999	424000
2000	424800
2001	429000
2002	427000
2003	427000
2004	415000
2005	416000
2006	401000
2007	401000
2008	401000
2009	403000
2010	403000
2011	178000
2012	178000
2013	178000
2014	280500
2015	277500
2016	307500
2017	239000
2018	257500
2019	269000
2020	269000